package offer.day19;

public class BinaryTreeNode {
    int val;
    BinaryTreeNode left;
    BinaryTreeNode right;

    BinaryTreeNode(int val){
        this.val = val;
    }

    @Override
    public String toString() {
        return "BinaryTreeNode{" +
                "val=" + val +
                ", left=" + left +
                ", right=" + right +
                '}';
    }
}
